31810779

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 32539941

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 107, 117, 121, 143, 189, 231, 273, 297, 321, 351, 363, 429, 693, 749, 819, 847, 963, 1001, 1089, 1177, 1287, 1391, 1573, 2079, 2247, 2457, 2541, 2889, 3003, 3267, 3531, 3861, 4173, 4719, 6741, 7623, 8239, 9009, 9737, 10593, 11011, 12519, 12947, 14157, 15301, 20223, 22869, 24717, 27027, 29211, 31779, 33033, 37557, 38841, 42471, 45903, 74151, 87633, 90629, 99099, 107107, 116523, 137709, 168311, 222453, 262899, 271887, 297297, 321321, 349569, 413127, 504933, 815661, 963963, 1178177, 1514799, 2446983, 2891889, 3534531, 4544397, 10603593, 31810779]

約数ペア:

[(1, 31810779), (3, 10603593), (7, 4544397), (9, 3534531), (11, 2891889), (13, 2446983), (21, 1514799), (27, 1178177), (33, 963963), (39, 815661), (63, 504933), (77, 413127), (91, 349569), (99, 321321), (107, 297297), (117, 271887), (121, 262899), (143, 222453), (189, 168311), (231, 137709), (273, 116523), (297, 107107), (321, 99099), (351, 90629), (363, 87633), (429, 74151), (693, 45903), (749, 42471), (819, 38841), (847, 37557), (963, 33033), (1001, 31779), (1089, 29211), (1177, 27027), (1287, 24717), (1391, 22869), (1573, 20223), (2079, 15301), (2247, 14157), (2457, 12947), (2541, 12519), (2889, 11011), (3003, 10593), (3267, 9737), (3531, 9009), (3861, 8239), (4173, 7623), (4719, 6741)]